10. what is the answer in scientific notation?
(3.3 x 107) + (7.7 x 108)
a 8.03 x 10^9
b 8.03 x 10^8
c 11 x 10^8
d 11 x 10^9

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

What is the shape of the height and weight distribution

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.